package cn.swust.javaMail;

import java.io.IOException;
import java.util.Properties;
import java.util.Date;   
import javax.mail.Address;   
import javax.mail.BodyPart;   
import javax.mail.Message;   
import javax.mail.MessagingException;   
import javax.mail.Multipart;   
import javax.mail.Session;   
import javax.mail.Transport;   
import javax.mail.internet.InternetAddress;   
import javax.mail.internet.MimeBodyPart;   
import javax.mail.internet.MimeMessage;   
import javax.mail.internet.MimeMultipart;  
/**  
* 简单邮件（不带附件的邮件）发送器  
*/   
public class SimpleMailSender  {   
/**  
  * 以文本格式发送邮件  
  * @param mailInfo 待发送的邮件的信息  
  */   
    public boolean sendTextMail(MailSenderInfo mailInfo) {   
      // 判断是否需要身份认证   
      MyAuthenticator authenticator = null;   
      Properties pro = mailInfo.getProperties();  
      if (mailInfo.isValidate()) {   
      // 如果需要身份认证，则创建一个密码验证器   
        authenticator = new MyAuthenticator(mailInfo.getUserName(), mailInfo.getPassword());   
      }  
      // 根据邮件会话属性和密码验证器构造一个发送邮件的session   
      Session sendMailSession = Session.getDefaultInstance(pro,authenticator);   
      try {   
      // 根据session创建一个邮件消息   
      Message mailMessage = new MimeMessage(sendMailSession);   
      // 创建邮件发送者地址   
      Address from = new InternetAddress(mailInfo.getFromAddress());   
      // 设置邮件消息的发送者   
      mailMessage.setFrom(from);   
      // 创建邮件的接收者地址，并设置到邮件消息中   
      Address to = new InternetAddress(mailInfo.getToAddress());   
      mailMessage.setRecipient(Message.RecipientType.TO,to);   
      // 设置邮件消息的主题   
      mailMessage.setSubject(mailInfo.getSubject());   
      // 设置邮件消息发送的时间   
      mailMessage.setSentDate(new Date());   
      // 设置邮件消息的主要内容   
      String mailContent = mailInfo.getContent();   
      mailMessage.setText(mailContent);   
      // 发送邮件   
      Transport.send(mailMessage);  
      return true;   
      } catch (MessagingException ex) {
    	  System.out.println("发送邮件失败！");
          ex.printStackTrace();   
      }   
      return false;   
    }   
      
    /**  
      * 以HTML格式发送邮件  
      * @param mailInfo 待发送的邮件信息  
      */   
    public static boolean sendHtmlMail(MailSenderInfo mailInfo){   
    	System.out.println("线程："+Thread.currentThread().getName()+"正在发送邮件！");
    	
    	//载入属性文件
    	Properties props = new Properties();
    	ClassLoader classLoader = Thread.currentThread().getContextClassLoader();  
        try {
			props.load(classLoader.getResourceAsStream("mail.properties"));
		} catch (IOException e) {
			System.out.println("载入邮件参数文件错误！");
			e.printStackTrace();
		}  
        // props.list(System.out);  
		mailInfo.setMailServerHost(props.getProperty("mail.host"));
		mailInfo.setMailServerPort(props.getProperty("mail.smtp.port"));
		mailInfo.setValidate(Boolean.valueOf((props.getProperty("mail.smtp.auth"))));  
		mailInfo.setUserName(props.getProperty("mail.username"));		
		mailInfo.setPassword(props.getProperty("mail.password"));
		mailInfo.setFromAddress(props.getProperty("mail.from"));   
    	
      // 判断是否需要身份认证   
      MyAuthenticator authenticator = null;  
      Properties pro = mailInfo.getProperties();  
      //如果需要身份认证，则创建一个密码验证器    
      if (mailInfo.isValidate()) {   
        authenticator = new MyAuthenticator(mailInfo.getUserName(), mailInfo.getPassword());  
      }   
      // 根据邮件会话属性和密码验证器构造一个发送邮件的session   
      Session sendMailSession = Session.getDefaultInstance(pro,authenticator);   
      try {   
      // 根据session创建一个邮件消息   
      Message mailMessage = new MimeMessage(sendMailSession);   
      // 创建邮件发送者地址   
      Address from = new InternetAddress(mailInfo.getFromAddress()); 
      // 设置邮件消息的发送者   
      mailMessage.setFrom(from);   
      // 创建邮件的接收者地址，并设置到邮件消息中   
      Address to = new InternetAddress(mailInfo.getToAddress());   
      // Message.RecipientType.TO属性表示接收者的类型为TO   
      mailMessage.setRecipient(Message.RecipientType.TO,to);   
     
      /**群发邮件！(密送)
      Address[] moreTo = new InternetAddress[10]; 
      这里要对moreTo进行赋值
      mailMessage.setRecipients(Message.RecipientType.CC, moreTo);
      */
      
      // 设置邮件消息的主题   
      mailMessage.setSubject(mailInfo.getSubject());   
      // 设置邮件消息发送的时间   
      mailMessage.setSentDate(new Date());   
      // MiniMultipart类是一个容器类，包含MimeBodyPart类型的对象   
      Multipart mainPart = new MimeMultipart();   
      // 创建一个包含HTML内容的MimeBodyPart   
      BodyPart html = new MimeBodyPart();   
      // 设置HTML内容   
      html.setContent(mailInfo.getContent(), "text/html; charset=utf-8");   
      mainPart.addBodyPart(html);   
      // 将MiniMultipart对象设置为邮件内容   
      mailMessage.setContent(mainPart);   
      // 发送邮件   
      Transport.send(mailMessage); 
      System.out.println("线程："+Thread.currentThread().getName()+"发送邮件成功！");
      return true;   
      } catch (MessagingException ex) {   
          ex.printStackTrace();   
          System.out.println("发送邮件失败!");
      }   
      return false;   
    } 
    
    /**异步
     * 
     */
    public static void sendByAsychMail(final MailSenderInfo mail)
    {
    	new Thread(new Runnable() {  
            public void run() {  
                try {  
                	SimpleMailSender.sendHtmlMail(mail);
 
                } catch (Exception ex) {  
                	System.out.println("邮件线程出错了！");
                }  
            }  
        }).start(); 
    }
}   